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Finding the Third Proportional to 6,474 and 15,518

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Solution

The third proportional to 6,474 and 15,518 is: 37,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474 : 15,518 = 15,518 : x
  2. Step 2: Convert to fraction form
    6,474/15,518 = 15,518/x
  3. Step 3: Cross multiply
    6,474x = 15,518 × 15,518
  4. Step 4: Simplify right side
    6,474x = 240,808,324
  5. Step 5: Solve for x
    x = 240,808,324/6,474
  6. Step 6: Final answer
    x = 37,196.22

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.